Answer:
45% of the mangoes are bad.
Explanation:
Given that:
Number of mangoes in basket = 40
Number of good mangoes = 22
Number of bad mangoes = Total mangoes - Good mangoes
Number of bad mangoes = 40-22
Number of bad mangoes = 18
Percent of bad mangoes =

Percent of bad mangoes =

Percent of bad mangoes = 0.45*100 = 45%
Hence,
45% of the mangoes are bad.